AP PSYCHOLOGY

RESEARCH METHODS THINKING CRITICALLY WITH PSYCHOLOGICAL SCIENCE

THE SCIENTIFIC METHOD AND DESCRIPTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In a(n) ____, the participants do not know whether they are receiving a treatment or not
A
double-blind study
B
single-blind study
C
stratified sample
D
case study
Explanation: 

Detailed explanation-1: -In a single-blind experiment, participants do not know which group they have been placed in until after the experiment has finished.

Detailed explanation-2: -It is called a double-blind because both groups of individuals involved in the study are unaware of what group they are in. This can be done via placebos in some instances, where the control group is given a placebo instead of the treatment.

Detailed explanation-3: -A type of clinical trial in which neither the participants nor the researcher knows which treatment or intervention participants are receiving until the clinical trial is over. This makes results of the study less likely to be biased.

Detailed explanation-4: -(SING-gul-blind STUH-dee) A type of clinical trial in which only the researcher doing the study knows which treatment or intervention the participant is receiving until the trial is over.

Detailed explanation-5: -Example: Yogurt Tasting The researchers know which yogurt containers are low-fat and which are high-fat, but participants are not told. This is an example of a single-blind study because the researchers know which participants are in the low-and high-fat groups but the participants do not know.

There is 1 question to complete.